2042450225 has 6 divisors (see below), whose sum is σ = 2532638310. Its totient is φ = 1633960160.

The previous prime is 2042450203. The next prime is 2042450237. The reversal of 2042450225 is 5220542402.

It can be written as a sum of positive squares in 3 ways, for example, as 315133504 + 1727316721 = 17752^2 + 41561^2 .

It is not a de Polignac number, because 2042450225 - 2⁶ = 2042450161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2042450194 and 2042450203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40848980 + ... + 40849029.

It is an arithmetic number, because the mean of its divisors is an integer number (422106385).

Almost surely, 2^2042450225 is an apocalyptic number.

2042450225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2042450225 is a deficient number, since it is larger than the sum of its proper divisors (490188085).

2042450225 is an equidigital number, since it uses as much as digits as its factorization.

2042450225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81698019 (or 81698014 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2042450225 is about 45193.4754693639. The cubic root of 2042450225 is about 1268.7727050706.

Adding to 2042450225 its reverse (5220542402), we get a palindrome (7262992627).

The spelling of 2042450225 in words is "two billion, forty-two million, four hundred fifty thousand, two hundred twenty-five".